/Engine/Source/Runtime/NavigationSystem/Public/NavMesh/RecastNavMeshDataChunk.h
Experimental: Moves tiles data on the xy plane by the offset (in tile coordinates) and rotation (in degree).
void MoveTiles ( FPImplRecastNavMesh & NavMeshImpl, const FIntPoint & Offset, const [FVector::FReal](API\Runtime\Core\Math\TVector\FReal) RotationDeg, const FVector2D & RotationCenter )